THICNES - The Highland-Vijayan Contact Zone Experiment in Sri Lanka

Sri Lanka is part of the largest exposed Neoproterozoic high-grade metamorphic terrain in the world and was at a central location in Gondwanaland. It has an almost 2 billion year long record of magmatism, sedimentation, deformation and metamorphism. The THICNES (The Highland-Vijayan Contact zone experiment in Sri Lanka) is a mid to long-term program focussing to reveal the properties of crust and upper mantle of Sri Lanka and to model and quantify the underlying geodynamic processes. In 2016 and 2017 a temporary broadband seismic network was installed in the island to observe local, regional and teleseismic earthquakes.

Time Frame

  • 2016 - 2018

Funding

  • Geological Survey and Mines Bureau (GSMB; Sri Lanka), GFZ

Principal Investigators

  • Mahinda Senevirathne (GSMB)
  • Christian Haberland (GFZ Potsdam)
  • Frederik Tilmann (GFZ Potsdam)

Personnel

  • Xiaohui Yuan (GFZ Potsdam)
  • Jennifer Dreiling (GFZ Potsdam)

Cooperations

  • Geological Survey and Mines Bureau (GSMB; Sri Lanka)

Methods & Equipment

  • Temporary seismic network
  • receiver funcions,
  • ambient noise studies
  • local earthquakes

Publications/Results

  • Dreiling, J., Tilmann, F., Yuan, X., Haberland, C., Mahinda Seneviratne, S. W. (2020): Crustal structure of Sri Lanka derived from joint inversion of surface wave dispersion and receiver functions using a Bayesian approach. - Journal of Geophysical Research: Solid Earth, 125, 5, e2019JB018688.
    https://doi.org/10.1029/2019JB018688
  • Dreiling, J., Tilmann, F., Yuan, X., Haberland, C., Seneviratne, S. W. M. (2020): Seismic crustal model of Sri Lanka.
    https://doi.org/10.5880/GFZ.2.4.2020.001
  • Seneviratne, M., Haberland, C., Dreiling, J. (2016): Sri Lanka temporary broadband network. doi:10.14470/6N7561723039
Christian Haberland
Group Leader
Dr. Christian Haberland
Geophysical Imaging
Albert-Einstein-Straße 42-46
Building A 42, Room 103
14473 Potsdam
+49 331 288-1810
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